December weather forecastYellow Jacket, CO

December

Weather in December

The first month of the winter, December, is also a wintry month in Yellow Jacket, Colorado, with an average temperature fluctuating between 21.7°F (-5.7°C) and 37.2°F (2.9°C).

Temperature

The shift to December brings a decrease in the average high-temperature, falling from a frosty 49.5°F (9.7°C) in November to a cold 37.2°F (2.9°C). Yellow Jacket, during December nights, observes an average temperature of 21.7°F (-5.7°C).

Humidity

In December, the average relative humidity in Yellow Jacket is 67%.

Rainfall

The wettest months are January and December, with an average 1.26" (32mm) of rainfall.

Snowfall

Months with snowfall in Yellow Jacket are January through April, October through December. In December, in Yellow Jacket, it is snowing for 8.5 days. Throughout December, 7.44" (189mm) of snow is accumulated. Throughout the year, in Yellow Jacket, there are 34.4 snowfall days, and 29.29" (744mm) of snow is accumulated.

Daylight

December has the shortest days of the year in Yellow Jacket, with an average of 9h and 36min of daylight.
On the first day of the month, sunrise is at 7:11 am and sunset at 4:56 pm. On the last day of December, in Yellow Jacket, sunrise is at 7:29 am and sunset at 5:06 pm MST.

Sunshine

January and December, with an average of 6.5h of sunshine, are months with the least sunshine in Yellow Jacket.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Yellow Jacket, Colorado. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum UV index of 2 during December translates into these guidelines:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Boost your sun resistance with garments that are densely woven yet spacious. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In Yellow Jacket, 37.2°F (2.9°C) is the average high-temperature and 21.7°F (-5.7°C) is the average low-temperature during December. In August, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is appraised at 80.6°F (27°C).

The average relative humidity in December in Yellow Jacket, Colorado, is 67%.

The wettest months in Yellow Jacket are January and December, with an average 1.26" (32mm) of rainfall.

In Yellow Jacket, Colorado, during December, the rain falls for 7.5 days and regularly aggregates up to 1.26" (32mm) of precipitation.

In December, it is snowing for 8.5 days. Throughout December, 7.44" (189mm) of snow is accumulated.

With an average of 9h and 36min of daylight, December has the shortest days of the year in Yellow Jacket, Colorado.

The average day length in December in Yellow Jacket, Colorado, is 9h and 37min.

In December, on the first day of the month, sunrise is at 7:11 am and sunset at 4:56 pm. On the last day of the month, in Yellow Jacket, Colorado, sunrise is at 7:29 am and sunset at 5:06 pm MST.

January and December, with an average of 6.5h of sunshine, are months with the least sunshine.

The average sunshine duration in December in Yellow Jacket is 6.5h.

The months with the lowest UV index in Yellow Jacket, Colorado, are January, February, November and December, with an average maximum UV index of 2.

In December, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a low health threat from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Yellow Jacket, CO

  • Average high temperature in December: 37.2°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (35.1°F).

  • Average low temperature in December: 21.7°F

The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).

Average pressure in December
Yellow Jacket, CO

  • Average pressure in December: 30.16"Hg

The month with the highest atmospheric pressure is January (30.23"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

Average wind speed in December
Yellow Jacket, CO

  • Average wind speed in December: 5.9mph

The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest month (with the lowest average wind speed) is January (5.7mph).

Average humidity in December
Yellow Jacket, CO

  • Average humidity in December: 67%

The month with the highest relative humidity is January (73%).
The month with the lowest relative humidity is June (26%).

Average rainfall in December
Yellow Jacket, CO

  • Average rainfall in December: 1.26"

The wettest months (with the highest rainfall) are January and December (1.26").
The driest month (with the least rainfall) is June (0.2").

Average rainfall days in December
Yellow Jacket, CO

  • Average rainfall days in December: 7.5 days

The month with the highest number of rainy days is July (9.6 days).
The month with the least rainy days is June (2.8 days).

Average snowfall in December
Yellow Jacket, CO

  • Average snowfall in December: 7.44"

The month with the highest snowfall is January (8.11").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Yellow Jacket, CO

  • Average snowfall days in December: 8.5 days

The months with the highest number of snowfall days are January and December (8.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Yellow Jacket, CO

  • Average daylight in December: 9h and 36min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in December: 6h and 30min

The month with the most sunshine is June (Average sunshine: 12h and 6min).
The months with the least sunshine are January and December (Average sunshine: 6h and 30min).

Average sunshine days in December
Yellow Jacket, CO

  • Average sunshine days in December: 19 days

The month with the most sunshine days is June (26.2 days).
The month with the least sunshine days is February (17.6 days).

Average UV index in December
Yellow Jacket, CO

  • Average UV index in December: 2

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in December
Yellow Jacket, CO

  • Average cloud cover in December: 27

The months with the most cloud cover are January and December (Cloud cover 27).
The month with the least cloud cover is June (Cloud cover 9).

Average visibility in December
Yellow Jacket, CO

  • Average visibility in December: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).